CN102527725A - Connection device for push head and push rod of perforating machine - Google Patents
Connection device for push head and push rod of perforating machine Download PDFInfo
- Publication number
- CN102527725A CN102527725A CN2012100632661A CN201210063266A CN102527725A CN 102527725 A CN102527725 A CN 102527725A CN 2012100632661 A CN2012100632661 A CN 2012100632661A CN 201210063266 A CN201210063266 A CN 201210063266A CN 102527725 A CN102527725 A CN 102527725A
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- push rod
- pilot hole
- jockey
- push
- piercing mandrel
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Abstract
The invention discloses a connection device for a push head and a push rod of a perforating machine. The connection device is characterized by comprising a joint body, wherein a plurality of radial cavities are formed on the joint body; positioning devices inserted into slots are matched with the cavities in a sliding manner; assembly holes are formed in the joint body and communicated with the cavities; and push devices for pushing the positioning devices to slide along the cavities are arranged in the assembly holes. The connection device has a simple and practical structure, can firmly connect the push head, is convenient to mount and disassemble, and can be recycled; and therefore, ton consumption of the push head during production of seamless steel tubes is reduced effectively, and the production efficiency is improved.
Description
Technical field
The present invention relates to the perforating tool of piercing mill of seamless steel tube, be specifically related to the jockey of piercing mandrel plug and push rod.
Background technology
Punch is as the most key equipment in the whole tube rolling unit, and the quality of its work all has decisive influence to the quality and the whole unit productivity ratio of finished product.And coming directly towards one of main warp tool as punch, its quality and replacing time directly affect perforation quality and piercing efficiency.
At present in the seamless steel tube production, some perforating head is connected the connection of employing connection handle with push rod, and its connected mode has two kinds of monoblock type (like Fig. 1) and welded types (like Fig. 2).Monoblock type is easy to use, but is unfavorable for the top cooling owing to come directly towards wall thickness forms such as endoporus can't be processed into, thereby service life is lower.Second kind of welded type, though wall thickness structures such as top endoporus employings, the welding handle is owing to the easy loose or dislocation of weld seam, its head lifetime still can't guarantee.
For the interior water-cooled top that the diameter of phi 100 of prior art and following unit thereof use, a lot of enterprises change connection handle into and being threaded with the top.This kind syndeton is: the top is connected with the connection handle that push rod all is a screw thread by two ends.The threaded one end of connection handle is connected with push rod, and other end screw thread is connected with the top.During the on-line replacing top, directly unload the top, connection handle also is connected on the push rod, changes a new top then and is screwed on the connection handle.Because of little, the light weight of top specification of prior art, can use clamp to carry out manual installation by the workman, still do not influence the rhythm of production of perforation.
Along with the increase gradually of steel pipe specification, the specification of top and quality have also increased much, and the form that is threaded of the interior water-cooled top of prior art also no longer adapts to high efficiency, large-duty requirement.Because of after the quality of top increases, the workman often can't make the screw thread of top aim at the screw thread of connection handle when the top is installed, and also difficulty very of rotation top during stubborn screw thread.Because the screw thread of top and connection handle is to use tighter and tighter, during dismounting, difficulty is often revolved motionless especially.Narrow and small because of surrounding space again, can not use large-scale extracting tool, change very inconvenient.Generally have to the push rod band the top and change together, so not only increase workload and also taken the production time.
Summary of the invention
In order to solve an above-mentioned difficult problem; The present invention provides the jockey of a kind of piercing mandrel plug and push rod; This apparatus structure is simple and practical, can not only firmly connect the top, and easy installation and removal can be repeatedly used; Effectively reduce the ton that comes directly towards in the seamless steel tube production and consume, improved production efficiency.The technical scheme that realizes the object of the invention is following:
The jockey of piercing mandrel plug and push rod; Comprise joint body; Joint body is provided with a plurality of cavitys radially, and being slidingly matched in the cavity is useful on the positioner that is inserted in the groove, and joint body is provided with pilot hole; This pilot hole is communicated with said cavity, is provided with in the pilot hole to be used to push the push device of positioner along the cavity slip.
In addition, the present invention also provides a kind of and is convenient to make jockey to withdraw from the assembly structure of the piercing mandrel plug of assembly cavity.
The technical scheme that realizes above-mentioned purpose is following:
A kind of assembly structure of piercing mandrel plug; Comprise the top; Comprise that also said top body is provided with the inner chamber along its axle center like any described jockey of claim 1 to 9, the internal face of inner chamber is provided with cannelure; After one end of jockey was inserted in the inner chamber, the positioner of this jockey was inserted in the cannelure.
Adopted such scheme; When adopting the present invention to be connected with the top; Only need to handle push device, make to push device positioner is ejected in the cannelure of top, will come directly towards with jockey and lock; And jockey is also very simple with being connected of push rod, only needs top stem casing is got final product on jockey and with latch is fixing.To come directly towards when jockey disassembles, and only need to handle and push device, make that to push device lax to pushing of positioner, positioner is skidded off from the cannelure of top, can remove the locking between the two.Because the present invention only is made up of several parts, structure is comparatively simple, practical, can not only firmly connect the top, and easy installation and removal, can be repeatedly used, and effectively reduces the ton that comes directly towards in the seamless steel tube production and consumes, and has improved production efficiency.
Description of drawings
Fig. 1 is the structural representation of monoblock type top connection handle in the prior art;
Fig. 2 is the structural representation of welded type top connection handle in the prior art;
Fig. 3 is the structural representation of first kind of embodiment of jockey of piercing mandrel plug of the present invention and push rod;
Fig. 4 is the profile along A-A line among Fig. 3;
Fig. 5 is another kind of positioning device structure sketch map;
Fig. 6 is the structural representation of push rod striking gear among Fig. 3;
Fig. 7 is the structural representation of another kind of push rod striking gear in first embodiment;
Fig. 8 is the structural representation of second kind of embodiment of jockey of piercing mandrel plug of the present invention and push rod;
Fig. 9 is the stressed sketch map of positioner when from the top, taking out jockey in the first embodiment of the invention;
Figure 10 is a jockey of the present invention and the sketch map that is connected of top;
In the accompanying drawing, 10 is joint body, and 10a is a limited step, and 11 is alignment pin, and 12 is pin sleeve; 13 is fan-shaped locating piece, and 14 is volute spring, and 15 is protuberance, and 16 is push rod, and 17 is spring; 18 is positioning step, and 19 is finger, and 20 is arc shifting block, and 21 is driving lever; 22 are the pin of living, and 23 is oil cylinder, and 24 are the top, and 25 are the heat radiation chamber.
The specific embodiment
Embodiment one:
With reference to Fig. 3, the jockey of piercing mandrel plug of the present invention and push rod comprises joint body 10, and the middle part of joint body 10 is provided with limited step 10a, and limited step 10a is used for the length that the limiting joint body is encased in the top inner chamber.Joint body is provided with a plurality of cavitys radially, and cavity is a cylindrical hole, is slidingly matched in the cavity to be useful on the positioner that is inserted in the groove, and described groove is the cannelure in the inner chamber of top.In embodiment shown in Figure 1, positioner is columniform alignment pin 11, and alignment pin 11 is used for being inserted into the cannelure of top inner chamber, makes axially being locked of joint body 10.The end that alignment pin 11 is inserted in the groove is spherical in shape, and alignment pin is with to push the end that device contacts tapered.With reference to Fig. 9 and Figure 10; One end of alignment pin 11 is designed to sphere; Mainly be that joint body 10 receives tension, acts on component downward in the pulling force of alignment pin 11 ball heads and can make the passive reduction of alignment pin when from the inner chamber of top, taking out joint body 10; Therefore, help joint body 10 is taken out from the top.The design of the other end of alignment pin is tapered, mainly be to be convenient to contact with pushing device through the conical surface pushing after device inserts in the cavity, help pushing alignment pin 11, thereby alignment pin 11 is moved along cavity.In this embodiment, be provided with two alignment pins 11, and in cavity, be provided with pin sleeve 12.If consider that to make the return of alignment pin more smooth, can also adopt the positioner (not shown) of forming by alignment pin and volute spring, the small end of volute spring is connected with alignment pin; The big end of volute spring is fixed on the wall of cavity; Like this, in moving process, alignment pin is exerted pressure to volute spring at alignment pin; When pushing after device withdraws from cavity, alignment pin is got back to the home position under volute spring return action power.
With reference to Fig. 5; Cavity of the present invention can also be fan-shaped chamber; Said positioner comprises fan-shaped locating piece 13 and volute spring 14; Volute spring 14 is enclosed within on the secter pat 13, the small end of volute spring 14 protruding spacing through on the secter pat side wall surface, and it is spacing that the big end of volute spring 14 passes through the protuberance 15 of cavity wall.Said secter pat is with to push the end that device contacts tapered.Be that with the purpose of secter pat 13 because the contact area of the alignment pin of cylinder and groove is little, and the contact area of secter pat and groove is big as positioner; Effectively connect or the contact-making surface increase; Therefore, after secter pat was inserted in the cannelure that comes directly towards inner chamber, cooperation between the two was more reliable.Likewise, volute spring 14 is to be used for the secter pat return.
With reference to Fig. 3, Fig. 4 and Fig. 6, joint body 10 is provided with pilot hole, and this pilot hole is communicated with said cavity, is provided with in the pilot hole to be used to push the push device of positioner along the cavity slip.Pilot hole by axial pilot hole and radially pilot hole form, axially pilot hole is along the axial setting of top body, radially pilot hole is along the radially setting of top body, radially pilot hole passes from limited step 10a.Push device and comprise push rod 16, spring 17 and push rod striking gear, push rod 16 is arranged in axial pilot hole, and push rod 16 is limited in the axial pilot hole through back-up ring.Push rod 16 is provided with positioning step 18, a side contacts of spring 17 and ring-shaped step 18, and an end in contact of the opposite side of positioning step 18 and push rod striking gear, the other end of push rod striking gear extend into radially in the pilot hole.The push rod striking gear comprises finger 19, and the axial end of this finger is provided with arc shifting block 20, and another axial end of finger is provided with inner hexagonal hole, can the turn finger through inner hexagon spanner, and finger 19 is limited in radially in the pilot hole through back-up ring and packing ring.The chord length of arc shifting block 20 is less than or equal to the diameter of finger cylindrical, therefore, between the axial end of arc shifting block 20 and finger 19, reserves the bit space that lets of a confession push rod return; If alignment pin 11 is withdrawed from from cannelure; Then rotate finger 19, make the cambered surface contact positioning step 18 of the arc shifting block 20 of finger end face, in the process of rotating finger 19; Push rod compression spring; Little by little enter into and let bit space, final push rod withdraws from cavity fully, and alignment pin 11 is return under the return effect of pulling force or volute spring.
The use of embodiment one is: when mounted; At first, will rotate finger 19, in this process; The arc shifting block 20 of finger 19 end faces will promote the mobile backward and compression spring 17 of push rod; When rotation reaches position, 90 ° of left and right sides, under becoming flexible, alignment pin 11 or secter pat 13 slide in the joint body 10, at this moment in the inner chamber with joint body 10 front loaded tops.Then; Rotate finger 19 once more, make spring 17 promote push rod and move forward, thereby alignment pin 11 or secter pat 13 are upwards slided under the extruding of push rod; When finger 19 is got back to original position; Push rod will arrive in the joint body and hold out against foremost, and alignment pin 11 or secter pat 13 also will arrive peak, and snap in the inner chamber cannelure of top and will come directly towards locking.When dismounting top, the step in the time of only need repeating beginning is installed is promptly rotated finger 19 and is made joint body front end alignment pin 11 or secter pat 13 slide in the joint body and can the top be pulled down under loosening.
With reference to Fig. 7, the push rod striking gear can also adopt another embodiment: it comprises driving lever 21 and the pin 22 of living, and the pin 22 of living is enclosed within on the driving lever 21; The pin 22 of living is sphere-like; Radially the two ends of pilot hole are tapered, and the middle part is cylindrical, and the pin 22 of living is engaged in the radially middle part of pilot hole rotationally.Stir an end of driving lever 21, driving lever 21 is the centre of support with the pin of living, and the displacement in pilot hole radially of the other end of driving lever 21 is stirred push rod 16 and made its moving axially of pilot hole vertically.This striking gear uses also more convenient.
Embodiment two:
With reference to Fig. 8; Pilot hole by axial pilot hole and radially pilot hole form; The said device that pushes comprises push rod, oil cylinder 23 or the cylinder that is arranged in the axial assembling, and push rod is connected with the piston of oil cylinder or cylinder, and the pipeline that connects oil cylinder or cylinder passes from pilot hole radially.Thisly drive the device that push rod moves with oil cylinder or cylinder, pipeline will it seals through plug after assembling, and when assembling or dismounting, only need connect outside oil circuit or gas circuit and get final product.
With reference to Figure 10, the assembly structure of piercing mandrel plug of the present invention, by top 24, and any one jockey is formed in the above-mentioned embodiment.On top 24, be provided with the inner chamber along its axle center, the internal face of inner chamber is provided with cannelure, and after an end of jockey was inserted in the inner chamber, the positioner of this jockey was inserted in the cannelure.The distance of everywhere to outer wall that comes directly towards 24 internal chamber walls is all identical.Design of Wall Thickness mode such as this improves the heat dispersion of top, is greatly improved service life; Heat radiation chamber 25 can also be set in top 24, can further improve heat dispersion, come directly towards overall weight simultaneously and alleviate, help saving material through heat radiation chamber 25.
Claims (10)
1. the jockey of piercing mandrel plug and push rod; It is characterized in that: comprise joint body; Joint body is provided with a plurality of cavitys radially, and being slidingly matched in the cavity is useful on the positioner that is inserted in the groove, and joint body is provided with pilot hole; This pilot hole is communicated with said cavity, is provided with in the pilot hole to be used to push the push device of positioner along the cavity slip.
2. the jockey of piercing mandrel plug according to claim 1 and push rod is characterized in that: said cavity is a cylindrical hole, and said positioner is an alignment pin.
3. the jockey of piercing mandrel plug according to claim 1 and push rod is characterized in that: said positioner is made up of alignment pin and volute spring, and the small end of volute spring is connected with alignment pin, and the big end of volute spring is fixed on the wall of cavity.
4. according to the jockey of claim 2 or 3 described piercing mandrel plugs and push rod, it is characterized in that: the end that said alignment pin is inserted in the groove is spherical in shape, and alignment pin is with to push the end that device contacts tapered.
5. the jockey of piercing mandrel plug according to claim 1 and push rod; It is characterized in that: said cavity is fan-shaped chamber; Said positioner comprises fan-shaped locating piece and volute spring; Volute spring is enclosed within on the secter pat, the small end of volute spring protruding spacing through on the secter pat side wall surface, and it is spacing that the big end of volute spring passes through the protuberance of cavity wall.
6. the jockey of piercing mandrel plug according to claim 1 and push rod; It is characterized in that: said pilot hole by axial pilot hole and radially pilot hole form, the said device that pushes comprises push rod, spring and push rod striking gear, push rod is arranged in axial pilot hole; Push rod is provided with positioning step; One side of positioning step contacts with spring, an end in contact of the opposite side of positioning step and push rod striking gear, and the other end of push rod striking gear extend into radially in the pilot hole.
7. the jockey of piercing mandrel plug according to claim 6 and push rod is characterized in that: said push rod striking gear comprises finger, and the axial end of this finger is provided with arc shifting block.
8. the jockey of piercing mandrel plug according to claim 6 and push rod; It is characterized in that: said push rod striking gear comprises driving lever and the pin of living; Live guide on driving lever; Radially the two ends of pilot hole are tapered, and the middle part is cylindrical, and the pin of living is engaged in the radially middle part of pilot hole rotationally.
9. the jockey of piercing mandrel plug according to claim 1 and push rod; It is characterized in that: said pilot hole by axial pilot hole and radially pilot hole form; The said device that pushes comprises push rod, oil cylinder or the cylinder that is arranged in the axial assembling; Push rod is connected with the piston of oil cylinder or cylinder, and the pipeline that connects oil cylinder or cylinder passes from pilot hole radially.
10. the assembly structure of a piercing mandrel plug; Comprise the top; It is characterized in that: comprise that also said top body is provided with the inner chamber along its axle center like any described jockey of claim 1 to 9, the internal face of inner chamber is provided with cannelure; After one end of jockey was inserted in the inner chamber, the positioner of this jockey was inserted in the cannelure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100632661A CN102527725A (en) | 2012-03-12 | 2012-03-12 | Connection device for push head and push rod of perforating machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100632661A CN102527725A (en) | 2012-03-12 | 2012-03-12 | Connection device for push head and push rod of perforating machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102527725A true CN102527725A (en) | 2012-07-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012100632661A Pending CN102527725A (en) | 2012-03-12 | 2012-03-12 | Connection device for push head and push rod of perforating machine |
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| Country | Link |
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| CN (1) | CN102527725A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104368604A (en) * | 2014-11-04 | 2015-02-25 | 江苏华菱锡钢特钢有限公司 | Novel ejector rod loose joint of perforation unit |
| CN105257718A (en) * | 2013-05-25 | 2016-01-20 | 南安市丽迪家居用品有限公司 | Supporting device |
| CN105457316A (en) * | 2013-05-25 | 2016-04-06 | 中山市丰申电器有限公司 | Game type abrasive disc |
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| JPS5573407A (en) * | 1978-11-29 | 1980-06-03 | Ishikawajima Harima Heavy Ind Co Ltd | Plug holder for pipe mill |
| DE4318925A1 (en) * | 1993-05-25 | 1994-12-01 | Mannesmann Ag | Piercing mandrel bar |
| JPH0796305A (en) * | 1993-09-29 | 1995-04-11 | Kawasaki Steel Corp | Plug bar for producing seamless steel pipe |
| WO2005087401A1 (en) * | 2004-03-11 | 2005-09-22 | Sumitomo Metal Industries, Ltd. | Seamless pipe pierce-rolling plug, seamless pipe producing device and seamless pipe producing method using them |
| CN2878615Y (en) * | 2006-04-10 | 2007-03-14 | 吴勇 | Spring compressed hidden type door and window plug pin |
| JP2009125785A (en) * | 2007-11-27 | 2009-06-11 | Sanyo Special Steel Co Ltd | Fixed plug for manufacturing seamless steel tube |
| CN101559436A (en) * | 2009-05-20 | 2009-10-21 | 太原重工股份有限公司 | Quick connecting device for punch top and mandril of perforator |
| CN201799449U (en) * | 2010-09-09 | 2011-04-20 | 无锡西姆莱斯石油专用管制造有限公司 | Locking ejector head device |
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2012
- 2012-03-12 CN CN2012100632661A patent/CN102527725A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5573407A (en) * | 1978-11-29 | 1980-06-03 | Ishikawajima Harima Heavy Ind Co Ltd | Plug holder for pipe mill |
| DE4318925A1 (en) * | 1993-05-25 | 1994-12-01 | Mannesmann Ag | Piercing mandrel bar |
| JPH0796305A (en) * | 1993-09-29 | 1995-04-11 | Kawasaki Steel Corp | Plug bar for producing seamless steel pipe |
| WO2005087401A1 (en) * | 2004-03-11 | 2005-09-22 | Sumitomo Metal Industries, Ltd. | Seamless pipe pierce-rolling plug, seamless pipe producing device and seamless pipe producing method using them |
| CN2878615Y (en) * | 2006-04-10 | 2007-03-14 | 吴勇 | Spring compressed hidden type door and window plug pin |
| JP2009125785A (en) * | 2007-11-27 | 2009-06-11 | Sanyo Special Steel Co Ltd | Fixed plug for manufacturing seamless steel tube |
| CN101559436A (en) * | 2009-05-20 | 2009-10-21 | 太原重工股份有限公司 | Quick connecting device for punch top and mandril of perforator |
| CN201799449U (en) * | 2010-09-09 | 2011-04-20 | 无锡西姆莱斯石油专用管制造有限公司 | Locking ejector head device |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105257718A (en) * | 2013-05-25 | 2016-01-20 | 南安市丽迪家居用品有限公司 | Supporting device |
| CN105457316A (en) * | 2013-05-25 | 2016-04-06 | 中山市丰申电器有限公司 | Game type abrasive disc |
| CN105833528A (en) * | 2013-05-25 | 2016-08-10 | 中山市丰申电器有限公司 | Small recreation facility |
| CN105833540A (en) * | 2013-05-25 | 2016-08-10 | 中山市丰申电器有限公司 | Amusement equipment |
| CN105903196A (en) * | 2013-05-25 | 2016-08-31 | 中山市丰申电器有限公司 | Abrasive disk |
| CN105903196B (en) * | 2013-05-25 | 2018-03-27 | 中山市丰申电器有限公司 | A kind of mill |
| CN104368604A (en) * | 2014-11-04 | 2015-02-25 | 江苏华菱锡钢特钢有限公司 | Novel ejector rod loose joint of perforation unit |
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Application publication date: 20120704 |